$\lim _{x \rightarrow 0} \frac{\tan 2x - 2\tan x}{(1 - \cos x)(2^x - 1)} = $

  • A
    $\frac{2}{\ln 2}$
  • B
    $\frac{1}{\ln 4}$
  • C
    $4 \ln 2$
  • D
    $\frac{4}{\ln 2}$

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